From the looks of the error message you are getting and the problem you described I suspect that you may have a corrupted index, so I'd like to ask you to try rebuilding it from scratch by following the instructions in this document as I'm hopeful this will resolve your problem: https://confluence.atlassian.com/display/JIRAKB/Unable+to+Rebuild+JIRA+Index
All the best,
Hey Community mates! Claire here from the Software Product Marketing team. We all know software development changes rapidly, and it's often tough to keep up. But from our research, we've found the h...
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